/* webkit 浏览器*/
input::-webkit-input-placeholder {
    color:#666;
    font-weight:300;
    font-size:14px;
}
/* 火狐浏览器 */
input::-moz-placeholder
{
    color:#666;
    font-weight:300;
    font-size:14px;
}
* {
    margin: 0;
    padding: 0;
    border: 0;
    outline: none;
    list-style: none;
    text-decoration: none;
    font-family: Helvetica Neue, Helvetica, Arial, PingFang SC, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, sans-serif;
    font-weight: normal;
    font-style: normal;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    border-radius: 0;
    font-size:16px;
    border-width: thin;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
body{
    background:#fff;
}